Date
Sat, 16 Jan 2027
Start
07:30
Venue
Old Tucson Studios, 201 Kinney Rd, Tucson, AZ 85735
Tucson, Pima County
Countdown
January
A ten-hour mountain bike lap race where you ride as many 21 km loops as you can, solo, in a duo or with a team. Each lap climbs just 144 m, so it's about steady pacing.
Key facts
01Timed-lap format: the most laps in 10 hours wins
02Solo, duo and team categories, with rankings by age group and bike type
Create a free training plan for the Old Tucson 10'er
7-day free trial, no card required
The course
One lap, on repeat
Tucson · one lap
Total climb144m
Duration10hr
Start · finishOne lap · elevation
0 kmDrag map to rotate20.7 km
Weather
Mid-January, Tucson
18°CTypical high
5°CTypical low
-7°CColdest in 20 years
10%Days with rain
Highs around 18°C and lows around 5°C, but it has dropped to -7°C. Rain on 10% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
Training
Training for the Old Tucson 10'er
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Old Tucson 10'er plan targets
Typical sessions
A sustained 10hr effort
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Terrain and skills practice specific to the course
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Old Tucson 10'er plan.
7-day free trial, no card required.
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